Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Itziar Quinzanos Alonso, MD

Individual provider Internal Medicine Physician · NPI 1700932324

Itziar Quinzanos Alonso, MD is a Rheumatology in Denver, Colorado. Qualified in 2003, 23 years ago. Practices with Denver Health and Hospital Authority, a 829-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
23
Licensed in
CO
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

660 Bannock St
Denver, CO 80204-4506
Phone: (303) 602-6170
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 501 28th St, Denver, CO 80205-3003 — (303) 436-6000

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence DR.0047171 (CO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 47171 (CO)

Record details

NPI number1700932324
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 26, 2007
Last updated in NPPESMarch 9, 2021
Certification dateMarch 9, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Denver Health And Hospital Authority — 829 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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